Aantekeningen/Linux/GRUB/GRUB0.9 and GRUB1.9 DEEL 2

How to force GRUB0.9 and GRUB1.9 to show the boot menu
N.B. De Free Software Foundation en het GNU project noemen GRUB0.9 nu GRUB Legacy. En ze noemen GRUB1.9 nu GRUB 2 om het verwarrend te maken. GRUB1.9 is een rewrite from scratch.
 * GRUB0.9: Press Esc to show boot menu.
 * GRUB1.9: Press Shift to show boot menu.
 * There are also options you can set in /etc/default/grub but the documentation is confusing.
 * http://wiki.ubuntu-nl.org/community/Grub2

Which versions of kernel, GNOME Desktop, etc.
$ uname -a; gnome-session --version Linux Janeway2 2.6.31.5-127.fc12.i686 #1 SMP Sat Nov 7 21:41:45 EST 2009 i686 i686 i386 GNU/Linux gnome-session 2.28.0 $ uname -a; gnome-session --version Linux Janeway2 2.6.24-26-generic #1 SMP Tue Dec 1 18:37:31 UTC 2009 i686 GNU/Linux GNOME gnome-session 2.22.1.1 $ uname -a; gnome-session --version Linux janeway2 2.6.31-20-generic #58-Ubuntu SMP Fri Mar 12 05:23:09 UTC 2010 i686 GNU/Linux gnome-session 2.28.0
 * In Fedora 12:
 * fc12 in kernel versie nummer is "Fedora Core 12"
 * In Ubuntu 8.04 (Hardy Heron):
 * So there's no information here about what distribution, and which version of the used distribution. Is there a command for that?
 * In Ubuntu 9.10 (Karmic Koala):